com.orientechnologies.spatial.operator

Class OLuceneOverlapOperator

java.lang.Object

com.orientechnologies.orient.core.sql.operator.OQueryOperator

com.orientechnologies.orient.core.sql.operator.OQueryTargetOperator

com.orientechnologies.spatial.operator.OLuceneSpatialOperator

com.orientechnologies.spatial.operator.OLuceneOverlapOperator

public class OLuceneOverlapOperator
extends OLuceneSpatialOperator

Nested Class Summary

Nested classes/interfaces inherited from class com.orientechnologies.orient.core.sql.operator.OQueryOperator

OQueryOperator.ORDER

Field Summary

Fields inherited from class com.orientechnologies.spatial.operator.OLuceneSpatialOperator

factory

Fields inherited from class com.orientechnologies.orient.core.sql.operator.OQueryOperator

DEFAULT_OPERATORS_ORDER, expectedRightWords, expectsParameters, keyword, precedence, unary

Constructor Summary

Constructors

Constructor and Description
OLuceneOverlapOperator()

Method Summary

Modifier and Type	Method and Description
Object	evaluateRecord(OIdentifiable iRecord, ODocument iCurrentResult, OSQLFilterCondition iCondition, Object iLeft, Object iRight, OCommandContext iContext, ODocumentSerializer serializer) At run-time the evaluation per record must return always true since the recordset are filtered at the beginning unless an operator can work in both modes.
Stream<ORawPair<Object,ORID>>	executeIndexQuery(OCommandContext iContext, OIndex index, List<Object> keyParams, boolean ascSortOrder) Performs index query and returns index stream which presents subset of index data which corresponds to result of execution of given operator.

Methods inherited from class com.orientechnologies.spatial.operator.OLuceneSpatialOperator

getBeginRidRange, getEndRidRange, getIndexReuseType, getOIndexSearchResult

Methods inherited from class com.orientechnologies.orient.core.sql.operator.OQueryOperator

canBeMerged, canShortCircuit, compare, configure, getSyntax, isSupportingBinaryEvaluate, isUnary, toString, updateProfiler

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

OLuceneOverlapOperator

public OLuceneOverlapOperator()

Method Detail

executeIndexQuery

public Stream<ORawPair<Object,ORID>> executeIndexQuery(OCommandContext iContext,
                                                       OIndex index,
                                                       List<Object> keyParams,
                                                       boolean ascSortOrder)

Description copied from class: OQueryOperator

Performs index query and returns index stream which presents subset of index data which corresponds to result of execution of given operator.

Query that should be executed can be presented like: [[property0 = keyParam0] and [property1 = keyParam1] and] propertyN operator keyParamN.

It is supped that index which passed in as parameter is used to index properties listed above and responsibility of given method execute query using given parameters.

Multiple parameters are passed in to implement composite indexes support.

Overrides:

executeIndexQuery in class OQueryOperator

index - Instance of index that will be used to calculate result of operator execution.

keyParams - Parameters of query is used to calculate query result.

ascSortOrder - Data returned by cursors should be sorted in ascending or descending order.

Returns:

Cursor instance if index can be used to evaluate result of execution of given operator and null otherwise.

evaluateRecord

public Object evaluateRecord(OIdentifiable iRecord,
                             ODocument iCurrentResult,
                             OSQLFilterCondition iCondition,
                             Object iLeft,
                             Object iRight,
                             OCommandContext iContext,
                             ODocumentSerializer serializer)

Description copied from class: OQueryTargetOperator

At run-time the evaluation per record must return always true since the recordset are filtered at the beginning unless an operator can work in both modes. In this case sub-class must extend it.

Overrides:

evaluateRecord in class OLuceneSpatialOperator